Tootfinder

Toward quantum-safe scalable networks: an open, standards-aware key management framework
Ane Sanz, Asier Atutxa, David Franco, Jasone Astorga, Eduardo Jacob, Diego L\'opez
https://arxiv.org/abs/2509.09453

Toward quantum-safe scalable networks: an open, standards-aware key management framework
With the advent of quantum computing, the increasing threats to security poses a great challenge to communication networks. Recent innovations in this field resulted in promising technologies such as Quantum Key Distribution (QKD), which enables the generation of unconditionally secure keys, establishing secure communications between remote nodes. Additionally, QKD networks enable the interconnection of multinode architectures, extending the point-to-point nature of QKD. However, due to the lim…

Akira is such an incredible movie! The first time I've seen it was about 25 years ago, and it was one of my first anime movies. I've watched it a 2nd time now and it is still great.
Some animation is slightly jerky for today's standards but the detail is incredible. It also keeps up its high animation quality level right until the end. While anime sometimes starts to get lazy towards the end, Akira has detailed explosions and billowing smoke until the very end (and gross bod…

Schumer warned that Donald Trump’s and his threats against people who criticize murdered conservative activist Charlie Kirk “is an assault on everything this country has stood for since the Constitution has been signed”.
“One of the great hallmarks of our country is free speech, whether you agree or disagree, and this administration is trying to snuff it out. They don’t want people to even speak when they don’t like what they said. That is the road to autocracy."
https://www.theguardian.com/us-news/live/2025/sep/18/jimmy-kimmel-charlie-kirk-comments-show-cancelled-suspended-monologue-trump-us-politics-live?CMP=Share_iOSApp_Other

Rest Fire
Santa Barbara County
An Evacuation Warning has been requested for Gaviota State Beach, per Incident Command. The fire is 1/2 to 1 acre in medium brush w/ moderate rate of spread, burning under the influence of a north wind & is burning towards the south, per Incident Command.
https://share.wa…

Watch Duty - Wildfire Maps & Alerts
Real-time information about wildfire and firefighting efforts nearby

R2RGEN: Real-to-Real 3D Data Generation for Spatially Generalized Manipulation
Xiuwei Xu, Angyuan Ma, Hankun Li, Bingyao Yu, Zheng Zhu, Jie Zhou, Jiwen Lu
https://arxiv.org/abs/2510.08547

R2RGEN: Real-to-Real 3D Data Generation for Spatially Generalized Manipulation
Towards the aim of generalized robotic manipulation, spatial generalization is the most fundamental capability that requires the policy to work robustly under different spatial distribution of objects, environment and agent itself. To achieve this, substantial human demonstrations need to be collected to cover different spatial configurations for training a generalized visuomotor policy via imitation learning. Prior works explore a promising direction that leverages data generation to acquire a…

USA genehmigen Ukraine-Hilfen
Das US-Außenministerium hat den potenziellen Verkauf von Starlink-Diensten sowie von "Patriot"-Luftabwehrsystemen und zugehöriger Ausrüstung an die Ukraine genehmigt.
Die US-Regierung hatte sich mit ihren europäischen Verbündeten darauf geeinigt, die militärische Unterstützung für Kiew zu verstärken. Trotz der Genehmigung durch das US-Außenministerium ist unklar, ob entsprechende Verträge schon …
📑

Ukraine-Liveblog: ++ Erneut russische Drohnenangriffe ++
Nach ukrainischen Angaben hat Russland das Land erneut massiv angegriffen - aus der Region Saporischschja wird ein Toter gemeldet. Nach Angaben des Weißen Hauses hoffen die USA weiter auf ein Treffen von Putin und Selenskyj.

Improved Dark Photon Sensitivity from the Dark SRF Experiment
Saarik Kalia, Zhen Liu, Bianca Giaccone, Oleksandr Melnychuk, Roman Pilipenko, Asher Berlin, Anson Hook, Sergey Belomestnykh, Crispin Contreras-Martinez, Daniil Frolov, Timergali Khabiboulline, Yuriy Pischalnikov, Sam Posen, Oleg Pronitchev, Vyacheslav Yakovlev, Anna Grassellino, Roni Harnik, Alexander Romanenko

Improved Dark Photon Sensitivity from the Dark SRF Experiment
We report the refined dark-photon exclusion bound from Dark SRF's pathfinder run. Our new result is driven by improved theoretical modeling of frequency instability in high-quality resonant experiments. Our analysis leads to a constraint that is an order of magnitude stronger than previously reported (corresponding to a signal-to-noise ratio that is four orders of magnitude larger). This result represents the world-leading constraint on non-dark-matter dark photons over a wide range of masses b…

Theoretical calculation of finite-temperature X-ray absorption fine structure: application to sodium K-edge in NaCl
Philipp H\"onicke, Yves Kayser, Pouya Partovi-Azar
https://arxiv.org/abs/2509.02206

Theoretical calculation of finite-temperature X-ray absorption fine structure: application to sodium K-edge in NaCl
We present a comprehensive computational framework for reproducing the full X-ray absorption fine structure (XAFS) through quantum-chemical simulations. The near-edge region is accurately captured using an efficient implementation of time-dependent density-functional perturbation theory applied to core excitations, while ab initio molecular dynamics provides essential sampling of core-excitation energies and interatomic distance distributions for interpreting extended X-ray absorption fine stru…

Cross-Model Verification of Wall-Bounded Flows using Finite-JAX
Arturo Rodriguez, Avinash Potluri, Aryan Singh, Vyom Kumar, Kate Reza, Francisco O. Aguirre Ortega, Vineeth Vijaya Kumar, Noah L. Estrada
https://arxiv.org/abs/2509.25569

Cross-Model Verification of Wall-Bounded Flows using Finite-JAX
Accurate prediction of wall-bounded flows remains central to advancing both theoretical understanding and computational methods in fluid mechanics. In this study, we perform a numerical simulation of channel flow using a complementary approach: a high-performance, differentiable finite-difference solver developed in JAX (Finite-JAX) and an analytical solution derived from the Navier-Stokes Equations, also referred to as the Hagen-Poiseuille equation. The solver is applied to the incompressible …

Phase Diagram and dynamical phases of self organization of a Bose--Einstein condensate in a transversely pumped red-detuned cavity
Julian Mayr, Maria Laura Staffini, Simon B. J\"ager, Corinna Kollath, Jonathan Keeling
https://arxiv.org/abs/2509.03445

Phase Diagram and dynamical phases of self organization of a Bose--Einstein condensate in a transversely pumped red-detuned cavity
We study a transversely pumped atomic Bose--Einstein Condensate coupled to a single-mode optical cavity, where effective atom--atom interactions are mediated by pump and cavity photons. A number of experiments and theoretical works have shown the formation of a superradiant state in this setup, where interference of pump and cavity light leads to an optical lattice in which atoms self-consistently organize. This self-organization has been extensively studied using the approximate Dicke model (t…